DE3761534D1 - MICROCAPSULES WITH IMPROVED WALLS. - Google Patents

MICROCAPSULES WITH IMPROVED WALLS.

Info

Publication number
DE3761534D1
DE3761534D1 DE8787114776T DE3761534T DE3761534D1 DE 3761534 D1 DE3761534 D1 DE 3761534D1 DE 8787114776 T DE8787114776 T DE 8787114776T DE 3761534 T DE3761534 T DE 3761534T DE 3761534 D1 DE3761534 D1 DE 3761534D1
Authority
DE
Germany
Prior art keywords
microcapsules
improved
improved walls
walls
isocyanate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE8787114776T
Other languages
German (de)
Inventor
Gert Dr Jabs
Ulrich Dr Nehen
Hans Joachim Dr Scholl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Priority to DE8787114776T priority Critical patent/DE3761534D1/en
Application granted granted Critical
Publication of DE3761534D1 publication Critical patent/DE3761534D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/771—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur oxygen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B01J13/06—Making microcapsules or microballoons by phase separation
    • B01J13/14—Polymerisation; cross-linking
    • B01J13/16—Interfacial polymerisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/165—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components characterised by the use of microcapsules; Special solvents for incorporating the ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/0838—Manufacture of polymers in the presence of non-reactive compounds
    • C08G18/0842—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents
    • C08G18/0861—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of a dispersing phase for the polymers or a phase dispersed in the polymers
    • C08G18/0866—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of a dispersing phase for the polymers or a phase dispersed in the polymers the dispersing or dispersed phase being an aqueous medium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3225—Polyamines
    • C08G18/3228—Polyamines acyclic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2984—Microcapsule with fluid core [includes liposome]
    • Y10T428/2985—Solid-walled microcapsule from synthetic polymer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Emergency Medicine (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Color Printing (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

Improved microcapsules contain at least one wall which is the reaction product of at least one isocyanate-reactive group and an aromatic isocyanate which has the formula: <IMAGE> in which n=8 to 20. The microcapsules are useful in carbonless copy paper.
DE8787114776T 1986-10-22 1987-10-09 MICROCAPSULES WITH IMPROVED WALLS. Expired - Lifetime DE3761534D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8787114776T DE3761534D1 (en) 1986-10-22 1987-10-09 MICROCAPSULES WITH IMPROVED WALLS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863635821 DE3635821A1 (en) 1986-10-22 1986-10-22 MICROCAPSULES WITH IMPROVED WALLS
DE8787114776T DE3761534D1 (en) 1986-10-22 1987-10-09 MICROCAPSULES WITH IMPROVED WALLS.

Publications (1)

Publication Number Publication Date
DE3761534D1 true DE3761534D1 (en) 1990-03-08

Family

ID=6312163

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19863635821 Withdrawn DE3635821A1 (en) 1986-10-22 1986-10-22 MICROCAPSULES WITH IMPROVED WALLS
DE8787114776T Expired - Lifetime DE3761534D1 (en) 1986-10-22 1987-10-09 MICROCAPSULES WITH IMPROVED WALLS.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19863635821 Withdrawn DE3635821A1 (en) 1986-10-22 1986-10-22 MICROCAPSULES WITH IMPROVED WALLS

Country Status (7)

Country Link
US (1) US4847152A (en)
EP (1) EP0265743B1 (en)
JP (1) JP2567420B2 (en)
AT (1) ATE49904T1 (en)
AU (1) AU588139B2 (en)
DE (2) DE3635821A1 (en)
FI (1) FI874607A (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4985484A (en) * 1989-02-27 1991-01-15 The Mead Corporation Process for the production of coating compositions containing microcapsules
US5225118A (en) * 1990-08-15 1993-07-06 Boise Cascade Corporation Process for manufacturing polyurea microcapsules and product therefrom
JP2729538B2 (en) * 1991-02-13 1998-03-18 富士写真フイルム株式会社 Manufacturing method of microcapsules
DE4130743A1 (en) * 1991-09-16 1993-03-18 Bayer Ag MICROCAPSULES MADE FROM ISOCYANATES WITH GROUPS CONTAINING POLYETHYLENE OXIDE
US5925464A (en) * 1995-01-19 1999-07-20 Dow Agrosciences Llc Microencapsulation process and product
US5925595A (en) * 1997-09-05 1999-07-20 Monsanto Company Microcapsules with readily adjustable release rates
AU2003297683A1 (en) * 2002-12-13 2004-07-09 Monsanto Technology Llc Microcapsules with amine adjusted release rates
BRPI0512102A (en) * 2004-06-14 2008-02-06 Monsanto Technology Llc microcapsules having activated release of core material within them
US8642246B2 (en) 2007-02-26 2014-02-04 Honeywell International Inc. Compositions, coatings and films for tri-layer patterning applications and methods of preparation thereof
CN102395277B (en) * 2009-02-13 2018-08-03 孟山都技术公司 Reduce the encapsulated herbicide of crop damage
US8557877B2 (en) 2009-06-10 2013-10-15 Honeywell International Inc. Anti-reflective coatings for optically transparent substrates
BR112012029551B1 (en) * 2010-06-11 2019-01-29 Firmenich Sa process for preparing polyurea microcapsules
AU2011291580B2 (en) 2010-08-18 2015-08-20 Monsanto Technology Llc Early applications of encapsulated acetamides for reduced injury in crops
ES2361311B1 (en) * 2011-04-14 2012-02-21 Ecopol Tech, S.L. Process for the manufacture of a microencapsulate of a hydrophobic and microencapsulated active ingredient and corresponding compositions.
US8864898B2 (en) 2011-05-31 2014-10-21 Honeywell International Inc. Coating formulations for optical elements
CN102504592B (en) * 2011-09-29 2014-04-16 上海俊彩文具用品有限公司 Thermochromic solution encapsulated surface hydrophilic compound particles and thermochromic neutral ink made of same
CA2937505C (en) 2014-01-27 2023-02-14 Monsanto Technology Llc Aqueous herbicidal concentrates comprising an acetanilide herbicide, a protoporphyrinogen oxidase inhibitor, and a pseudoplastic thickener
JP6803842B2 (en) 2015-04-13 2020-12-23 ハネウェル・インターナショナル・インコーポレーテッドＨｏｎｅｙｗｅｌｌ Ｉｎｔｅｒｎａｔｉｏｎａｌ Ｉｎｃ． Polysiloxane formulations and coatings for optoelectronic applications
CA2996668C (en) 2015-10-27 2023-09-26 Encapsys, Llc Encapsulation
US11471397B2 (en) * 2016-07-27 2022-10-18 Firmenich Sa Process for the preparation of microcapsules
US11129381B2 (en) 2017-06-13 2021-09-28 Monsanto Technology Llc Microencapsulated herbicides
US20200148810A1 (en) * 2017-07-31 2020-05-14 Dow Global Technologies Llc Additive composition and method
UY38564A (en) 2019-01-30 2020-08-31 Monsanto Technology Llc MICROENCAPSULATED ACETAMIDE HERBICIDES

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3577515A (en) * 1963-12-13 1971-05-04 Pennwalt Corp Encapsulation by interfacial polycondensation
BE790373A (en) * 1971-10-21 1973-02-15 Fuji Photo Film Co Ltd PRESSURE SENSITIVE RECORDING SHEET CONTAINING MICRO-CAPSULES WITH POLYURIDE WALLS
US4360376A (en) * 1978-03-17 1982-11-23 Pennwalt Corporation Microencapsulated trifluralin
DE2909906A1 (en) * 1979-03-14 1980-10-02 Bayer Ag METHOD FOR THE CONTINUOUS PRODUCTION OF MICROCAPSULES
DE3020148A1 (en) * 1980-05-28 1981-12-03 Bayer Ag, 5090 Leverkusen CONCENTRATED MICROCAPSULE SUSPENSIONS FOR REACTION COPY PAPERS
US4497793A (en) * 1980-08-11 1985-02-05 Pennwalt Corporation Microencapsulated naturally occuring pyrethrins
GB2107670B (en) * 1981-10-21 1985-04-17 Fuji Photo Film Co Ltd Electrostatographic toner material
US4517141A (en) * 1982-06-30 1985-05-14 Bayer Aktiengesellschaft Production of microcapsules having walls of polyaddition products of water-insoluble polyamines with water-soluble polyisocyanate adducts
US4599271A (en) * 1983-06-09 1986-07-08 Moore Business Forms, Inc. Microencapsulation of polyisocyanates by interchange of multiple
DE3421865A1 (en) * 1984-06-13 1985-12-19 Bayer Ag, 5090 Leverkusen CONTINUOUS PRODUCTION OF MICROCAPSLE DISPERSIONS
US4729792A (en) * 1985-11-08 1988-03-08 The Standard Register Company Microcapsules, printing inks and their production
JPS62129141A (en) * 1985-11-29 1987-06-11 Fuji Photo Film Co Ltd Preparation of microcapsule

Also Published As

Publication number Publication date
FI874607A0 (en) 1987-10-20
EP0265743A1 (en) 1988-05-04
DE3635821A1 (en) 1988-04-28
EP0265743B1 (en) 1990-01-31
JPS63116736A (en) 1988-05-21
AU8010687A (en) 1988-04-28
ATE49904T1 (en) 1990-02-15
JP2567420B2 (en) 1996-12-25
FI874607A (en) 1988-04-23
AU588139B2 (en) 1989-09-07
US4847152A (en) 1989-07-11

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TH4640S (en) Liquid container
TH2567S1 (en) box
TH6166S (en) box
TH1337S1 (en) Packing box
TH4752S (en) Packing box
TH94S (en) basin
TH2658S1 (en) One unit for the copier
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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee